romney put away the nomination tonight? >>> survivor's story. a mom who lost her leg, shielding her children from that tornado's fury. >> it's something that any mother would do. >> as her home went from this, to this. >>> stressed out. women stretched too thin. the simple test to see if stress is wrecking your body. >>> and remembering the music man. he wrote some of the most magical music in the movies. tonight, the secrets behind his songs. ♪ it's a small world after all >>> good evening. this is it. the super-sized night, which usually changes everything. voters in ten states are lining up at the polls, right now, as we are on the air, from north dakota, to georgia, idaho, to massachusetts. so, is this the night mitt romney virtually locks up the race? and what will rick santorum do? our team is on the ground, as "your voice, your vote" is rolling in. and abc's david muir and jon karl spent the day with the candidates as they cross this finish line. let's begin right now with david muir. david? >> reporter: diane, no question, this is a critical evening for mitt romney. we're
